CN104802656A - Electric car controller integrating battery management and complete car control functions - Google Patents

Electric car controller integrating battery management and complete car control functions Download PDF

Info

Publication number
CN104802656A
CN104802656A CN201410042695.XA CN201410042695A CN104802656A CN 104802656 A CN104802656 A CN 104802656A CN 201410042695 A CN201410042695 A CN 201410042695A CN 104802656 A CN104802656 A CN 104802656A
Authority
CN
China
Prior art keywords
module
microprocessor
battery
signal
buffer circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201410042695.XA
Other languages
Chinese (zh)
Other versions
CN104802656B (en
Inventor
李司光
祁星鑫
刘良治
刘玺斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Automobile Group Co Ltd
Original Assignee
Shaanxi Automobile Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Automobile Group Co Ltd filed Critical Shaanxi Automobile Group Co Ltd
Priority to CN201410042695.XA priority Critical patent/CN104802656B/en
Publication of CN104802656A publication Critical patent/CN104802656A/en
Application granted granted Critical
Publication of CN104802656B publication Critical patent/CN104802656B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention relates to an electric car controller integrating the battery management and complete car control functions. The controller mainly comprises a microprocessor module, a power supply module, an analogue input module, a temperature acquiring module, a switching quantity input module, a switching quantity output module, a CAN interface module, a balancing module and a voltage acquiring module, wherein the analogue input module and the temperature acquiring module are respectively used for connecting signals to the microprocessor module; the power module is respectively connected with the switching quantity input module, the switching quantity output module, the CAN interface module, the balancing module, the voltage acquiring module; the switching quantity input module, the switching quantity output module, the CAN interface module, the balancing module and the voltage acquiring module are respectively connected with the microprocessor module through a first isolating circuits. According to the controller, the car can be controlled to normally run according to the battery management and the complete control; the fault can be determined; the charge and discharge states can be obtained; the charge can be balanced to ensure the consistency of batteries.

Description

The controller for electric vehicle of a kind of integrated battery management and whole automobile control function
Technical field
The present invention relates to battery management and full-vehicle control field, particularly a kind of battery management and full-vehicle control integrated manipulator, be applicable to battery management and the full-vehicle control integrated control system of short distance sightseeing electric car.
Background technology
Entire car controller (VCU) and battery management system (BMS) get more and more people's extensive concerning gradually as the kernel component of electronlmobil.Because short distance sightseeing electric car structure is simple, VCU and BMS is re-used as control device independent separately, just causes waste resource, adds the cost of car load.
The integration of BMS and VCU is had ready conditions completely, is necessary, the present invention provides a kind of battery management full-vehicle control integrated manipulator, for the ECU (Electrical Control Unit) of short distance sightseeing electric car with regard to this problem.
Summary of the invention
The invention provides a kind of battery management for short distance sightseeing electric car and full-vehicle control integrated manipulator.Comprise battery management function and whole automobile control function.Wherein battery management function comprises voltage acquisition, current acquisition, equilibrium, heat management, discharge and recharge instruction, fault alarm, SOC; Whole automobile control function comprise control battery, motor switch, send moment of torsion by demand to motor, CAN communication connects debug terminal, instrument, battery charger etc.
The controller for electric vehicle of the management of a kind of integrated battery and whole automobile control function is specifically provided, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively; Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery; Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit; Described voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array; Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
The ADC of preferred described Analog input mModule received current signal, pedal opening signal access micro controller module inside.
Preferred described temperature collect module accesses the ADC of micro controller module inside after receiving 2 road temperature signals.
Preferred described switching input module receives 2 way switch amount signals, for the stall detecting key switch signal, charging instruction, fan.
Preferred described switching value output module exports 2 way switch amount signals, for driving relay, drive fan, acoustic-optic alarm.
Preferred described CAN interface module comprises CAN reception, CAN sends 2 tunnel CAN signal, for the battery information sent to CAN instrument for showing, connects terminal commissioning device information, with battery charger communication control process of charging information, to motor sending controling instruction information.
Wherein, micro treatment module is given an order to decoder by isolation, after decoder interpretive order, and the equalizer circuit unit corresponding to driving instruction.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to the equalizer circuit corresponding to the battery of n road, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have the equalizer circuit of a batteries to be strobed.
Wherein, described voltage acquisition module, microprocessor gives an order to decoder, decoder interpretive order rear drive relay array, gating battery, and ADC adopts cell pressure returns voltage signal to microprocessor by isolation.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to relay array, and the corresponding battery of relay array gating, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have a batteries to be strobed; Extend out ADC, improve conversion accuracy; Forceful electric power light current is isolated, and analog quantity and digital quantity are isolated, and decrease noise jamming, improves the reliability of circuit.
Accompanying drawing explanation
Fig. 1 is integrated manipulator structural representation.
Fig. 2 is voltage acquisition module structural representation.
Fig. 3 is balance module structural representation.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, the invention provides the controller for electric vehicle of the management of a kind of integrated battery and whole automobile control function, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively; Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery; Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit; Voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array; Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
As shown in Figure 2, for described voltage acquisition module, microprocessor gives an order to decoder, decoder interpretive order rear drive relay array, gating battery, and ADC adopts cell pressure returns voltage signal to microprocessor by isolation.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to relay array, and the corresponding battery of relay array gating, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have a batteries to be strobed; Extend out ADC, improve conversion accuracy; Forceful electric power light current is isolated, and analog quantity and digital quantity are isolated, and decrease noise jamming, improves the reliability of circuit.
As shown in Figure 3, wherein, micro treatment module is given an order to decoder by isolation, after decoder interpretive order, and the equalizer circuit unit corresponding to driving instruction.Decoder takies microprocessor 4 tunnel resource, after microprocessor instructs explained by decoder, exports the order of n road to the equalizer circuit corresponding to the battery of n road, saves the I/O resource of microprocessor; Because decoder is logical device, such design improves the reliability of circuit, ensure that and once has and only have the equalizer circuit of a batteries to be strobed.
Battery management of the present invention and full-vehicle control integrated manipulator are contained on short distance sightseeing electric car, vehicle-mounted startup power supply is received the power interface of integrated manipulator, access battery voltage signal, current signal, pedal signal, temperature acquisition signal, key switch signal, CAN signal, charging indicator signal, battery management, the full-vehicle control of integrated manipulator play a role.Wherein, collect key switch opening signal, open integrated manipulator, integrated manipulator opens relay, connect battery, motor; Gather voltage signal, judge voltage below level too high, the need of trigger sound and light alarm; Gather total voltage, monomer voltage signal, current signal, estimation SOC; Gather charging indicator signal, judge charging and discharging state, judge in the charge state the need of equilibrium; Gather pedal signal, SOC(CAN signal), the speed of a motor vehicle (CAN signal), determine demand torque according to motor characteristic data, drive motor realizes demand torque, drive car load travel.
Battery management of the present invention and full-vehicle control integrated manipulator are contained on certain short distance sightseeing electric car; vehicle-mounted startup power supply is received the power interface of integrated manipulator; access battery voltage signal, current signal, pedal signal, temperature acquisition signal, key switch signal, CAN signal, charging indicator signal; battery management, the full-vehicle control of integrated manipulator play a role, and control vehicle normally runs, estimating battery SOC, failure judgement, charging and discharging state, charge balancing protect battery with two side terminals etc.

Claims (6)

1. the controller for electric vehicle of an integrated battery management and whole automobile control function, wherein, described controller mainly comprises microprocessor module, power module, Analog input mModule, temperature collect module, switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module; It is characterized in that:
The signal access microprocessor module that Analog input mModule, temperature collect module will obtain respectively;
Power module is connected with switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module respectively, and described power module is made up of multiple battery;
Switching input module, switching value output module, CAN interface module, balance module, voltage acquisition module are connected with microprocessor module respectively by after the first buffer circuit;
Described voltage acquisition module inside comprises translator unit, ADC unit, the second buffer circuit, relay array, the control signal that described microprocessor module exports is by passing to translator unit after the first buffer circuit, described translator unit output signal is to drive relay array and then the corresponding battery of gating, described ADC unit is adopted the voltage of gating battery completes voltage acquisition by returning to microprocessor module after the first buffer circuit, wherein, described translator unit and there is the second buffer circuit between ADC unit and relay array;
Described balance module inside comprises translator unit, multiple equalizer circuit, and the control signal that described microprocessor module exports is by passing to decoder to drive the equalizer circuit connected with corresponding battery after the first buffer circuit.
2. controller according to claim 1, is characterized in that: the ADC of described Analog input mModule received current signal, pedal opening signal access micro controller module inside.
3. controller according to claim 1, is characterized in that: described temperature collect module accesses the ADC of micro controller module inside after receiving 2 road temperature signals.
4. controller according to claim 1, is characterized in that: described switching input module receives 2 way switch amount signals, for the stall detecting key switch signal, charging instruction, fan.
5. controller according to claim 1, is characterized in that: described switching value output module exports 2 way switch amount signals, for driving relay, drive fan, acoustic-optic alarm.
6. controller according to claim 1, it is characterized in that: described CAN interface module comprises CAN reception, CAN sends 2 tunnel CAN signal, for the battery information sent to CAN instrument for showing, connecting terminal commissioning device information, with battery charger communication control process of charging information, to motor sending controling instruction information.
CN201410042695.XA 2014-01-29 2014-01-29 Electric car controller integrating battery management and complete car control functions Expired - Fee Related CN104802656B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410042695.XA CN104802656B (en) 2014-01-29 2014-01-29 Electric car controller integrating battery management and complete car control functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410042695.XA CN104802656B (en) 2014-01-29 2014-01-29 Electric car controller integrating battery management and complete car control functions

Publications (2)

Publication Number Publication Date
CN104802656A true CN104802656A (en) 2015-07-29
CN104802656B CN104802656B (en) 2017-04-26

Family

ID=53688006

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410042695.XA Expired - Fee Related CN104802656B (en) 2014-01-29 2014-01-29 Electric car controller integrating battery management and complete car control functions

Country Status (1)

Country Link
CN (1) CN104802656B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107264450A (en) * 2017-06-28 2017-10-20 湖北航天技术研究院总体设计所 A kind of car control device and its self-test method
CN107290677A (en) * 2017-06-27 2017-10-24 珠海市精实测控技术有限公司 Electrokinetic cell examines detection device eventually
CN108422885A (en) * 2018-03-30 2018-08-21 北京国能电池科技股份有限公司 Main Control Tank, battery management system and electric vehicle
CN109703380A (en) * 2019-01-28 2019-05-03 浙江合众新能源汽车有限公司 A kind of pure electric automobile power assembly domain control system
CN113376535A (en) * 2021-06-18 2021-09-10 深圳市康奈特电子有限公司 Automatic testing system of new energy battery

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202330663U (en) * 2011-09-03 2012-07-11 镇江恒驰科技有限公司 Voltage collecting circuit for single battery of battery pack
CN202480902U (en) * 2011-12-31 2012-10-10 重庆小康工业集团股份有限公司 Vehicle control unit for electric vehicle
CN102903975A (en) * 2011-07-28 2013-01-30 福特全球技术公司 Battery cell capacity balancing system and method
CN203727196U (en) * 2014-01-29 2014-07-23 陕西汽车集团有限责任公司 Electric vehicle controller integrating battery management and vehicle control functions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102903975A (en) * 2011-07-28 2013-01-30 福特全球技术公司 Battery cell capacity balancing system and method
US20130030620A1 (en) * 2011-07-28 2013-01-31 Ford Global Technologies, Llc Battery Cell Capacity Balancing System And Method
CN202330663U (en) * 2011-09-03 2012-07-11 镇江恒驰科技有限公司 Voltage collecting circuit for single battery of battery pack
CN202480902U (en) * 2011-12-31 2012-10-10 重庆小康工业集团股份有限公司 Vehicle control unit for electric vehicle
CN203727196U (en) * 2014-01-29 2014-07-23 陕西汽车集团有限责任公司 Electric vehicle controller integrating battery management and vehicle control functions

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107290677A (en) * 2017-06-27 2017-10-24 珠海市精实测控技术有限公司 Electrokinetic cell examines detection device eventually
CN107264450A (en) * 2017-06-28 2017-10-20 湖北航天技术研究院总体设计所 A kind of car control device and its self-test method
CN108422885A (en) * 2018-03-30 2018-08-21 北京国能电池科技股份有限公司 Main Control Tank, battery management system and electric vehicle
CN109703380A (en) * 2019-01-28 2019-05-03 浙江合众新能源汽车有限公司 A kind of pure electric automobile power assembly domain control system
CN113376535A (en) * 2021-06-18 2021-09-10 深圳市康奈特电子有限公司 Automatic testing system of new energy battery

Also Published As

Publication number Publication date
CN104802656B (en) 2017-04-26

Similar Documents

Publication Publication Date Title
CN103217647B (en) A kind of electric automobile lead-acid power accumulator charge state estimation method
CN104802656A (en) Electric car controller integrating battery management and complete car control functions
WO2014045666A1 (en) Battery pack and electric vehicle
CN109565180B (en) System and method for battery management
CN102290848B (en) Lead-acid battery management system and management method thereof
CN104052092B (en) The charging system of vehicle mounted dynamic battery and the charging method of vehicle mounted dynamic battery thereof
US9755443B2 (en) Safety concept for batteries
CN108215802B (en) Multifunctional integrated 900V power distribution protection device for electric drive special vehicle
CN205632165U (en) Power battery increases journey system
CN102673420A (en) Intelligent management system of electric automobile lead-acid battery
CN203246337U (en) Master control module of power battery management system for electric vehicle
CN211416974U (en) Integrated system for managing whole vehicle and battery
CN113092922B (en) Independent diagnosis device and method for high-voltage contactor of power battery system
CN106410879A (en) Battery management system for vehicle and controlling method thereof
CN212373185U (en) Battery management system and vehicle
CN106053975B (en) Isolation testing of vehicle high voltage systems
CN203237184U (en) Integration operation network intelligent control system of electric vehicle
CN202827180U (en) Electric car lead-acid battery intelligent management system
CN203798989U (en) SOC detection device for power battery pack of electromobile
CN115236502A (en) New energy automobile quick-charging negative relay adhesion detection method
CN203727196U (en) Electric vehicle controller integrating battery management and vehicle control functions
KR20160103403A (en) Battery Management System
US20150214767A1 (en) Safety Concept for Batteries
CN105059121A (en) Vehicle control method for solar electric vehicle
CN103419615A (en) Contactor isolation method and apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
EXSB Decision made by sipo to initiate substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170426

Termination date: 20180129

CF01 Termination of patent right due to non-payment of annual fee